Closeouts. Sunburns and pesky bugs will no longer ruin your waterside activities when you don Simms' Bugstopper® Net Sombrero hat, equipped with a Bugstopper® net, Insect Shield® technology and two drawstrings for a custom, adjustable fit. The lightweight nylon hat blocks UV rays with UPF 50+ sun protection, and the 360-degree brim blocks harsh sun from every angle.